Magento 2.1.6 Update

Magento 2.1.6 was released on April 9. It’s an important update with many performance improvements and without any security related fixes.

The main performance enhancements are:

  • Improved performance of the Category page
  • Optimized image resizing and the caching of image metadata is also up to 50% faster
  • Improved performance of layered navigation
  • Minimized indexing operations after product import
  • The check that Magento runs to confirm a configurable product’s readiness for sale is now faster
  • Magento now caches attribute options for the layered navigation feature. This reduces the number of queries to the database, and consequently improves performance
  • Magento no longer performs unnecessary file check operations (for example, file_exists, is_file), which improves the performance of the category and product pages
  • Magento now caches image metadata, which avoids the time-consuming need to read images for metadata loading

It contains also following fixes:

  • Magento no longer locks the category_product_entity table. Unlocking this table reduces the potential of lock-related timeouts that can occur when indexing and checkout operations run in parallel
  • The storefront now displays images that Magento resizes during product save operations, rather than resizing the product on the storefront
  • Magento no longer calculates configurable product special prices on the category page
  • Magento now runs a selective partial re-indexing operation after import if you enabled “Update on Schedule”
  • Magento now displays imported product images in this order: first, the base image, then the additional images in the order in which they were listed in the CSV file
  • Magento no longer creates redundant objects when initializing a configurable product on the Category page
  • The logic that Magento uses to validate swatch attributes has been optimized
  • Magento now caches swatch data in the block cache, which improves the responsiveness of the configurable product pages


A more detailed list can be found at

And don’t forget to backup before updating.

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Manuel Fischer

Ist Schüler aus der 12. Klasse der Freien Waldorfschule Wahlwies und hat ein Praktikum bei Openstream in Radolfzell gemacht. Arbeitet als Freelance Entwickler in den Bereichen WordPress und Magento und hat als Hobby Fahrrad fahren und Programmieren. Er interessiert sich für viele Themen aus dem Bereich IT und ich ist glücklich bei Openstream arbeiten zu können und mehr zu lernen.

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